<template>
  <div class="top-category">
    <div class="container" ref="el">
      <!-- 面包屑 -->
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>{{ topCategory?.name }}</XtxBreadItem>
      </XtxBread>
      <!-- 轮播图 -->
      <XtxCarousel :sliders="sliders" style="height: 500px" />
      <!-- 所有二级分类 -->
      <div class="sub-list">
        <h3>全部分类</h3>
        <ul>
          <li v-for="item in topCategory?.children" :key="item.id">
            <a href="javascript:;">
              <img v-lazy="item.picture" />
              <p>{{ item.name }}</p>
            </a>
          </li>
        </ul>
      </div>
      <!-- 不同分类商品 -->
      <div class="ref-goods" v-for="item in topCategory?.classify?.children" :key="item.id">
        <div class="head">
          <h3>- {{ item.name }} -</h3>
          <p class="tag">温暖柔软，品质之选</p>
          <XtxMore />
        </div>
        <div class="body">
          <goodsItem v-for="value in item.goods" :key="value.id" :goods="value"></goodsItem>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import { findBanner } from '@/api/home'
import { ref, watch } from 'vue'
import { useRoute } from 'vue-router'
import { useStore } from 'vuex'
import { findTopCategory } from '@/api/category'
import goodsItem from './components/goods-item.vue'

// import { userLanJiazai } from '@/hooks'
export default {
  components: { goodsItem },
  name: 'TopCategory',
  setup () {
    // 轮播图
    const sliders = ref([])
    // const classify = ref({})
    const topCategory = ref({})
    const router = useRoute()
    const store = useStore()
    findBanner().then((res) => {
      sliders.value = res.result
    })
    watch([() => router.params.id, store.state.category], async () => {
      const data = store.state.category.list.find((item) => item.id === router.params.id)
      if (data && !data.classify) {
        const classify = (await findTopCategory(router.params.id)).result
        data.classify = classify
      }
      topCategory.value = data
    }, {
      immediate: true
    })
    findBanner().then((data) => {
      sliders.value = data.result
    })
    return { sliders, topCategory }
  }
}
</script>
<style scoped lang="less">
.top-category {
  h3 {
    font-size: 28px;
    color: #666;
    font-weight: normal;
    text-align: center;
    line-height: 100px;
  }
  .sub-list {
    margin-top: 20px;
    background-color: #fff;
    ul {
      display: flex;
      padding: 0 32px;
      flex-wrap: wrap;
      li {
        width: 168px;
        height: 160px;
        a {
          text-align: center;
          display: block;
          font-size: 16px;
          img {
            width: 100px;
            height: 100px;
          }
          p {
            line-height: 40px;
          }
          &:hover {
            color: @xtxColor;
          }
        }
      }
    }
  }
  .ref-goods {
    background-color: #fff;
    margin-top: 20px;
    position: relative;
    .head {
      .xtx-more {
        position: absolute;
        top: 20px;
        right: 20px;
      }
      .tag {
        text-align: center;
        color: #999;
        font-size: 20px;
        position: relative;
        top: -20px;
      }
    }
    .body {
      display: flex;
      justify-content: flex-start;
      flex-wrap: wrap;
      padding: 0 65px 30px;
    }
  }
}
</style>
